.task-icon { background-image: url(images/task-16.gif) !important; }
.x-btn-medium .task-icon { background-image: url(images/task-24.gif) !important; }
.x-btn-large .task-icon { background-image: url(images/task-32.gif) !important; }
.task-bogus-shortcut{ background-image: url(images/task-48.gif) !important;